package com.cmeduSystem.webadmin.app.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.cmeduSystem.webadmin.app.service.*;
import com.cmeduSystem.webadmin.app.dao.*;
import com.cmeduSystem.webadmin.app.model.*;
import com.cmeduSystem.common.core.base.dao.BaseDaoMapper;
import com.cmeduSystem.common.core.object.Tuple2;
import com.cmeduSystem.common.core.object.TokenData;
import com.cmeduSystem.common.core.object.MyRelationParam;
import com.cmeduSystem.common.core.base.service.BaseService;
import com.cmeduSystem.common.core.util.MyModelUtil;
import com.cmeduSystem.common.sequence.wrapper.IdGeneratorWrapper;
import com.github.pagehelper.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;

/**
 * 教职工基础信息数据操作服务类。
 *
 * @author xulei
 * @date 2025-09-04
 */
@Slf4j
@Service("personnelBasicService")
public class PersonnelBasicServiceImpl extends BaseService<PersonnelBasic, Long> implements PersonnelBasicService {

    @Autowired
    private IdGeneratorWrapper idGenerator;
    @Autowired
    private PersonnelBasicMapper personnelBasicMapper;

    /**
     * 返回当前Service的主表Mapper对象。
     *
     * @return 主表Mapper对象。
     */
    @Override
    protected BaseDaoMapper<PersonnelBasic> mapper() {
        return personnelBasicMapper;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public PersonnelBasic saveNew(PersonnelBasic personnelBasic) {
        personnelBasicMapper.insert(this.buildDefaultValue(personnelBasic));
        return personnelBasic;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void saveNewBatch(List<PersonnelBasic> personnelBasicList) {
        if (CollUtil.isNotEmpty(personnelBasicList)) {
            personnelBasicList.forEach(this::buildDefaultValue);
            personnelBasicMapper.insertList(personnelBasicList);
        }
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void saveNewOrUpdateBatch(List<PersonnelBasic> personnelBasicList, List<String> duplicateVerifyColumns, int batchSize) {
        if (CollUtil.isEmpty(personnelBasicList)) {
            return;
        }
        if (batchSize <= 0) {
            batchSize = CollUtil.isNotEmpty(duplicateVerifyColumns) ? 100 : 10000;
        }
        int start = 0;
        do {
            int end = Math.min(personnelBasicList.size(), start + batchSize);
            List<PersonnelBasic> subList = personnelBasicList.subList(start, end);
            if (CollUtil.isNotEmpty(duplicateVerifyColumns)) {
                Tuple2<List<PersonnelBasic>, List<PersonnelBasic>> t = this.deduceInsertOrUpdateList(subList, duplicateVerifyColumns);
                if (CollUtil.isNotEmpty(t.getFirst())) {
                    t.getFirst().forEach(this::buildDefaultValue);
                    personnelBasicMapper.insertList(t.getFirst());
                }
                t.getSecond().forEach(data -> personnelBasicMapper.updateById(data));
            } else {
                personnelBasicList.forEach(this::buildDefaultValue);
                personnelBasicMapper.insertList(subList);
            }
            if (end == personnelBasicList.size()) {
                break;
            }
            start += batchSize;
        } while (true);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean update(PersonnelBasic personnelBasic, PersonnelBasic originalPersonnelBasic) {
        personnelBasic.setCreateUserId(originalPersonnelBasic.getCreateUserId());
        personnelBasic.setUpdateUserId(TokenData.takeFromRequest().getUserId());
        personnelBasic.setCreateTime(originalPersonnelBasic.getCreateTime());
        personnelBasic.setUpdateTime(new Date());
        // 这里重点提示，在执行主表数据更新之前，如果有哪些字段不支持修改操作，请用原有数据对象字段替换当前数据字段。
        UpdateWrapper<PersonnelBasic> uw = this.createUpdateQueryForNullValue(personnelBasic, personnelBasic.getId());
        return personnelBasicMapper.update(personnelBasic, uw) == 1;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean remove(Long id) {
        return personnelBasicMapper.deleteById(id) == 1;
    }

    @Override
    public List<PersonnelBasic> getPersonnelBasicList(PersonnelBasic filter, String orderBy) {
        return personnelBasicMapper.getPersonnelBasicList(filter, orderBy);
    }

    @Override
    public List<PersonnelBasic> getPersonnelBasicListWithRelation(PersonnelBasic filter, String orderBy) {
        List<PersonnelBasic> resultList = personnelBasicMapper.getPersonnelBasicList(filter, orderBy);
        // 在缺省生成的代码中，如果查询结果resultList不是Page对象，说明没有分页，那么就很可能是数据导出接口调用了当前方法。
        // 为了避免一次性的大量数据关联，规避因此而造成的系统运行性能冲击，这里手动进行了分批次读取，开发者可按需修改该值。
        int batchSize = resultList instanceof Page ? 0 : 1000;
        this.buildRelationForDataList(resultList, MyRelationParam.normal(), batchSize);
        return resultList;
    }

    private PersonnelBasic buildDefaultValue(PersonnelBasic personnelBasic) {
        if (personnelBasic.getId() == null) {
            personnelBasic.setId(idGenerator.nextLongId());
        }
        TokenData tokenData = TokenData.takeFromRequest();
        personnelBasic.setCreateUserId(tokenData.getUserId());
        personnelBasic.setUpdateUserId(tokenData.getUserId());
        Date now = new Date();
        personnelBasic.setCreateTime(now);
        personnelBasic.setUpdateTime(now);
        MyModelUtil.setDefaultValue(personnelBasic, "mzm", "'01'::bpchar");
        MyModelUtil.setDefaultValue(personnelBasic, "gjdqm", "'CHN'::bpchar");
        MyModelUtil.setDefaultValue(personnelBasic, "sfzjlxm", "'1'::bpchar");
        return personnelBasic;
    }
}
